Centri-lobular pulmonary nodules on HRCT: incidence and approach for etiological diagnosis

Egyptian Journal of Radiology and Nuclear Medicine

Table 3 The significance of inhalation, inflammatory, autoimmune and edema/hemorrhagic lung diseases regarding the associated CT chest findings

HRCT findings/P value	Inhalation	Inflammatory	Autoimmune	Hemorrhage/EDEMA
Tree-in-bud	0.239	0.115	0.898	0.588
Ground glass	0.008**	1.000	0.581	0.430
Peri-lymphatic nodule	0.093	0.180	0.000**	0.067
Cavitation	0.316	0.300	0.573	0.784
Septal thickening	0.211	0.085	0.481	0.732
Bronchiectasis	0.804	0.005**	0.661	0.414
Bronchial wall thickening	0.036*	0.004**	0.886	0.346
Atelectasis	0.708	0.753	0.265	0.588
Air trapping	0.002**	0.780	0.732	0.481
Reticulations	0.207	0.279	0.105	0.430
Pleural effusion	0.390	0.553	0.628	0.814
Lymphadenopathy	0.979	0.557	0.905	0.534

Chi-square test, P value > 0.05: Non significant (NS); P value < 0.05*: Significant (S); P value < 0.01**: highly significant (HS)